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Class Information
Number: 60/235
Name: Power plants > Reaction motor (e.g., motive fluid generator and reaction nozzle, etc.) > Condition responsive thrust varying means > Motive fluid outlet area and fuel flow control
Description: Apparatus in which the condition sensing means controls both the rate of fuel flow to combustion chamber means in the apparatus and

Sub-classes under this class:

Class Number Class Name Patents
60/239 Compressor or turbine speed sensed to control fuel flow or outlet area 24
60/238 Motive fluid temperature sensed to control fuel flow or outlet area 11
60/237 Outlet area sensed to control fuel or oxidizer flow 6
60/236 Plural spool motor-compressors 10

Patents under this class:

Patent Number Title Of Patent Date Issued
8302406 Fuel delivery and control system including a positive displacement actuation pump with a variable pressure regulator supplementing a fixed displacement main fuel pump Nov. 6, 2012
8166765 Fuel delivery and control system including a variable displacement actuation pump supplementing a fixed displacement main pump May. 1, 2012
7478526 Speed control apparatus for a rotary sprinkler Jan. 20, 2009
7424360 Overspeed control system for gas turbine electric powerplant Sep. 9, 2008
6487847 Gas turbine engine fuel control system Dec. 3, 2002
6269627 Rapid thrust response control logic for shaft-driven lift fan STOVL engine Aug. 7, 2001
6270037 Rapid response attitude control logic for shaft-driven lift fan STOVL engine Aug. 7, 2001
6000215 Method of operating a gas turbine engine Dec. 14, 1999
5687564 Low rotor vibration avoidance in aircraft gas turbine engines Nov. 18, 1997
5579635 Distributed erosion region rocket motor nozzle Dec. 3, 1996
4813226 Demand control of variable geometry gas turbine power plant Mar. 21, 1989
4809500 Transient control system for gas turbine engine Mar. 7, 1989
4501117 Device for controlling and regulating the cross section of a variable area propulsive nozzle Feb. 26, 1985
4397148 Control system for an augmented turbofan engine Aug. 9, 1983

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